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// 1999-11-15 Kevin Ediger <kediger@licor.com>
// test the floating point inserters (facet num_put)
// Copyright (C) 1999-2015 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
#include <iostream>
#include <iomanip>
#include <sstream>
#include <limits>
#include <testsuite_hooks.h>
using namespace std;
#ifndef _GLIBCXX_ASSERT
# define TEST_NUMPUT_VERBOSE 1
#endif
struct _TestCase
{
double val;
int precision;
int width;
char decimal;
char fill;
bool fixed;
bool scientific;
bool showpos;
bool showpoint;
bool uppercase;
bool internal;
bool left;
bool right;
const char* result;
};
static bool T=true;
static bool F=false;
static _TestCase testcases[] =
{
// standard output (no formatting applied)
{ 1.2, 6,0,'.',' ', F,F,F,F,F,F,F,F, "1.2" },
{ 54, 6,0,'.',' ', F,F,F,F,F,F,F,F, "54" },
{ -.012, 6,0,'.',' ', F,F,F,F,F,F,F,F, "-0.012" },
{ -.00000012, 6,0,'.',' ', F,F,F,F,F,F,F,F, "-1.2e-07" },
// fixed formatting
{ 10.2345, 0,0,'.',' ', T,F,F,F,F,F,F,F, "10" },
{ 10.2345, 0,0,'.',' ', T,F,F,T,F,F,F,F, "10." },
{ 10.2345, 1,0,'.',' ', T,F,F,F,F,F,F,F, "10.2" },
{ 10.2345, 4,0,'.',' ', T,F,F,F,F,F,F,F, "10.2345" },
{ 10.2345, 6,0,'.',' ', T,F,T,F,F,F,F,F, "+10.234500" },
{ -10.2345, 6,0,'.',' ', T,F,F,F,F,F,F,F, "-10.234500" },
{ -10.2345, 6,0,',',' ', T,F,F,F,F,F,F,F, "-10,234500" },
// fixed formatting with width
{ 10.2345, 4,5,'.',' ', T,F,F,F,F,F,F,F, "10.2345" },
{ 10.2345, 4,6,'.',' ', T,F,F,F,F,F,F,F, "10.2345" },
{ 10.2345, 4,7,'.',' ', T,F,F,F,F,F,F,F, "10.2345" },
{ 10.2345, 4,8,'.',' ', T,F,F,F,F,F,F,F, " 10.2345" },
{ 10.2345, 4,10,'.',' ', T,F,F,F,F,F,F,F, " 10.2345" },
{ 10.2345, 4,10,'.',' ', T,F,F,F,F,F,T,F, "10.2345 " },
{ 10.2345, 4,10,'.',' ', T,F,F,F,F,F,F,T, " 10.2345" },
{ 10.2345, 4,10,'.',' ', T,F,F,F,F,T,F,F, " 10.2345" },
{ -10.2345, 4,10,'.',' ', T,F,F,F,F,T,F,F, "- 10.2345" },
{ -10.2345, 4,10,'.','A', T,F,F,F,F,T,F,F, "-AA10.2345" },
{ 10.2345, 4,10,'.','#', T,F,T,F,F,T,F,F, "+##10.2345" },
// scientific formatting
{ 1.23e+12, 1,0,'.',' ', F,T,F,F,F,F,F,F, "1.2e+12" },
{ 1.23e+12, 1,0,'.',' ', F,T,F,F,T,F,F,F, "1.2E+12" },
{ 1.23e+12, 2,0,'.',' ', F,T,F,F,F,F,F,F, "1.23e+12" },
{ 1.23e+12, 3,0,'.',' ', F,T,F,F,F,F,F,F, "1.230e+12" },
{ 1.23e+12, 3,0,'.',' ', F,T,T,F,F,F,F,F, "+1.230e+12" },
{ -1.23e-12, 3,0,'.',' ', F,T,F,F,F,F,F,F, "-1.230e-12" },
{ 1.23e+12, 3,0,',',' ', F,T,F,F,F,F,F,F, "1,230e+12" },
};
template<typename _CharT>
class testpunct : public numpunct<_CharT>
{
public:
typedef _CharT char_type;
const char_type dchar;
explicit
testpunct(char_type decimal_char) : numpunct<_CharT>(), dchar(decimal_char)
{ }
protected:
char_type
do_decimal_point() const
{ return dchar; }
char_type
do_thousands_sep() const
{ return ','; }
string
do_grouping() const
{ return string(); }
};
template<typename _CharT>
void apply_formatting(const _TestCase & tc, basic_ostream<_CharT> & os)
{
os.precision(tc.precision);
os.width(tc.width);
os.fill(static_cast<_CharT>(tc.fill));
if (tc.fixed)
os.setf(ios::fixed);
if (tc.scientific)
os.setf(ios::scientific);
if (tc.showpos)
os.setf(ios::showpos);
if (tc.showpoint)
os.setf(ios::showpoint);
if (tc.uppercase)
os.setf(ios::uppercase);
if (tc.internal)
os.setf(ios::internal);
if (tc.left)
os.setf(ios::left);
if (tc.right)
os.setf(ios::right);
}
void
test01()
{
bool test __attribute__((unused)) = true;
for (std::size_t j = 0; j<sizeof(testcases)/sizeof(testcases[0]); j++)
{
_TestCase & tc = testcases[j];
#ifdef TEST_NUMPUT_VERBOSE
cout << "expect: " << tc.result << endl;
#endif
// test double with char type
{
testpunct<char>* __tp = new testpunct<char>(tc.decimal);
ostringstream os;
locale __loc(os.getloc(), __tp);
os.imbue(__loc);
apply_formatting(tc, os);
os << tc.val;
#ifdef TEST_NUMPUT_VERBOSE
cout << j << "result 1: " << os.str() << endl;
#endif
VERIFY( os && os.str() == tc.result );
}
// test long double with char type
{
testpunct<char>* __tp = new testpunct<char>(tc.decimal);
ostringstream os;
locale __loc(os.getloc(), __tp);
os.imbue(__loc);
apply_formatting(tc, os);
os << (long double)tc.val;
#ifdef TEST_NUMPUT_VERBOSE
cout << j << "result 2: " << os.str() << endl;
#endif
VERIFY( os && os.str() == tc.result );
}
}
}
int
main()
{
test01();
return 0;
}
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